San Diego – New York – Gander – Shannon – Zurich

The aircraft departed from San Diego, California, at 0407LT on 12 July for Zurich Airport, Switzerland, with two American pilots at the control, on a delivery flight to Swissair. Intermediate stops included New York, Gander and Shannon. Having left New York at 1240 GMT on 14 July 1956, the aircraft landed at Gander at 1659 GMT. After a stop of 57 minutes, it left Gander for Shannon at 1748 GMT carrying the same crew of 4 members. Following an uneventful ocean crossing the aircraft at 0008 hours on 15 July was given initial descent clearance to Shannon and was then cleared into the Shannon Holding Pattern, where four other aircraft were holding. At 0125 hours the aircraft commenced a Ground Controlled Approach to runway 23 and on establishing visual reference to the ground broke off the approach for a left-hand visual circuit to runway 05. During the turn onto final approach to runway 05, the aircraft, while banking steeply was observed to drop. The aircraft was destroyed on impact with the ground at approximately 0135LT and the 4 occupants were killed. There was no fire.

Flight / Schedule

San Diego – New York – Gander – Shannon – Zurich

Registration

HB-IMD

MSN

335

Year of Manufacture

1956

Operator

Swissair

Date

July 15, 1956 at 01:35 AM

Type

CRASH

Flight Type

Delivery

Flight Phase

Landing (descent or approach)

Crash Site

Airport (less than 10 km from airport)

Crash Location

Shannon Munster

Region

Europe • Ireland

Coordinates

52.7059°, -8.9002°

Crash Cause

Human factor

Narrative Report

On July 15, 1956 at 01:35 AM, San Diego – New York – Gander – Shannon – Zurich experienced a crash involving Convair CV-440 Metropolitan, operated by Swissair, with the event recorded near Shannon Munster.

The flight was categorized as delivery and the reported phase was landing (descent or approach) at a airport (less than 10 km from airport) crash site.

4 people were known to be on board, 4 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 4, crew fatalities: 4, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is human factor. The aircraft departed from San Diego, California, at 0407LT on 12 July for Zurich Airport, Switzerland, with two American pilots at the control, on a delivery flight to Swissair. Intermediate stops included New York, Gander and Shannon. Having left New York at 1240 GMT on 14 July 1956, the aircraft landed at Gander at 1659 GMT. After a stop of 57 minutes, it left Gander for Shannon at 1748 GMT carrying the same crew of 4 members. Following an uneventful ocean crossing the aircraft at 0008 hours on 15 July was given initial descent clearance to Shannon and was then cleared into the Shannon Holding Pattern, where four other aircraft were holding. At 0125 hours the aircraft commenced a Ground Controlled Approach to runway 23 and on establishing visual reference to the ground broke off the approach for a left-hand visual circuit to runway 05. During the turn onto final approach to runway 05, the aircraft, while banking steeply was observed to drop. The aircraft was destroyed on impact with the ground at approximately 0135LT and the 4 occupants were killed. There was no fire.

Aircraft reference details include registration HB-IMD, MSN 335, year of manufacture 1956.

Geospatial coordinates for this crash are approximately 52.7059°, -8.9002°.

Fatalities

Total

4

Crew

4

Passengers

0

Other

0

Crash Summary

The aircraft departed from San Diego, California, at 0407LT on 12 July for Zurich Airport, Switzerland, with two American pilots at the control, on a delivery flight to Swissair. Intermediate stops included New York, Gander and Shannon. Having left New York at 1240 GMT on 14 July 1956, the aircraft landed at Gander at 1659 GMT. After a stop of 57 minutes, it left Gander for Shannon at 1748 GMT carrying the same crew of 4 members. Following an uneventful ocean crossing the aircraft at 0008 hours on 15 July was given initial descent clearance to Shannon and was then cleared into the Shannon Holding Pattern, where four other aircraft were holding. At 0125 hours the aircraft commenced a Ground Controlled Approach to runway 23 and on establishing visual reference to the ground broke off the approach for a left-hand visual circuit to runway 05. During the turn onto final approach to runway 05, the aircraft, while banking steeply was observed to drop. The aircraft was destroyed on impact with the ground at approximately 0135LT and the 4 occupants were killed. There was no fire.

Cause: Human factor

Occupants & Outcome

Crew On Board

4

Passengers On Board

0

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 4

Operational Details

Schedule / Flight

San Diego – New York – Gander – Shannon – Zurich

Operator

Swissair

Flight Type

Delivery

Flight Phase

Landing (descent or approach)

Crash Site

Airport (less than 10 km from airport)

Region / Country

Europe • Ireland

Aircraft Details

Registration

HB-IMD

MSN

335

Year of Manufacture

1956